Food Chains and Energy Flow
What is the main source of energy for all food chains?
The Sun
What natural disaster can cause trees and plants to burn?
Wildfire.
When an animal sleeps through winter.
Hibernation
What is a fossil?
A preserved remains or imprint of a plant or animal.
In the food chain, what do we call an organism that eats plants?
A consumer.
How do plants benefit from wildfires?
Some seeds need heat to grow.
Name one animal that migrates to a warmer place in winter.
Birds, Butterflies
True or False? Fossils can tell us what the environment was like long ago.
True
What would happen if all the frogs in an ecosystem disappeared?
The number of insects might increase.
If a drought kills the grass in an area, what might happen to prairie dogs?
They might move or die out.
True or False? Bears hibernate all winter without waking up
False – They enter a light sleep
A seashell fossil is found in the desert. What does this tell us?
The area was once covered by water.
Put these in order from first to last in a food chain: Snake, Grass, Rabbit, Sun.
Sun → Grass → Rabbit → Snake.
A flood washes away a habitat. What will animals do next?
Find a new home or adapt.
Why do geese and butterflies eat extra food before winter?
To store energy for migration.
What do scientists learn from studying fossils?
What animals looked like and how they lived.
If a predator population increases, what happens to its prey?
The prey population might decrease.
Why might animals struggle to survive after a big environmental change?
Food and shelter might be harder to find.
What would happen if an animal couldn't migrate or hibernate
It might struggle to survive.
Why don’t we find fossils of every animal?
Some decay before turning into fossils.